🚫 Block VPNs, Tor & Proxies with Nginx using MyIP.casa (in 5 minutes)
🛡️ Security · Nginx · 5 min guide 🚫 Block VPNs, Tor & Proxies with Nginx using MyIP.casa 📅 March 28, 2026 · ~5 min read Allowing only "clean" users on your infrastructure is a real challenge. Whether you're trying to prevent spam, fraud, or large-scale scraping, filtering traffic from VPNs, proxies, or datacenter IPs is your first line of defense. In this guide, you'll learn how to integrate the MyIP.casa API directly into your Nginx configuration to block unwanted traffic in minutes. 1 🔧 Understanding auth_request Nginx provides a powerful module called ngx_http_auth_request_module . It allows you to send a subrequest to an internal API before granting access to your application. ✅ If the API returns 200 → access is allowed ❌ If the API returns 403 → access is denied This makes it perfect for real-time IP filtering . ...